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#!/bin/bash
#1 获取输入参数个数，如果没有参数，直接退出
pcount=$#
if((pcount==0)); then
echo no args;
exit;
fi

#2 获取文件名称
p1=$1
fname=`basename $p1`
echo fname=$fname

#3 获取上级目录到绝对路径
pdir=`cd -P $(dirname $p1); pwd`
echo pdir=$pdir

#4 获取当前用户名称
user=`whoami`

#5 循环
for((host=103; host<105; host++)); do
        echo ------------------- hadoop$host --------------
        rsync -rvl $pdir/$fname $user@hadoop$host:$pdir
done

#!/bin/bash
for i in lxl@hadoop102 lxl@hadoop103 lxl@hadoop104
do
        echo "================           $i             ================"
        ssh $i ‘/opt/module/jdk1.8.0_144/bin/jps‘
done